BALANCE SHEET INFORMATION (Tables)

12 Months Ended

Mar. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Schedule of consolidated balance sheets

Certain significant amounts included in the Company’s consolidated balance sheets consist of the following (in thousands):

	March 31,
	2019			2018
Manufacturing inventories:
Finished goods
Manufactured finished goods	$	8,160		$	11,215
Distributor inventory		3,345			10,870
Total finished goods		11,505			22,085
Work in progress		107			778
Raw materials		6,828			11,565
Total manufacturing inventories	$	18,440		$	34,428
Service inventories:
Finished goods	$	13,437		$	14,863
Component parts		5,633			7,026
Total service inventories	$	19,070		$	21,889
Other current assets:
Insurance receivable	$	8,950		$	—
Prepayments		3,856			4,331
Income tax receivable		1,927			582
Other		3,362			8,652
Total other current assets	$	18,095		$	13,565
Property and equipment, net
Machinery and equipment	$	30,306		$	34,090
Furniture and fixtures		2,073			1,942
Leasehold improvements		6,990			6,763
		39,369			42,795
Less: accumulated depreciation and amortization		(30,932	)		(33,097	)
Total property, plant and equipment, net	$	8,437		$	9,698
Other accrued liabilities:
Accrued expenses	$	8,925		$	7,619
Asset retirement obligation		1,936			2,176
Accrued settlement		10,452			101
Accrued warranty		3,456			2,422
Other accrued liabilities		4,256			5,320
Total other current liabilities	$	29,025		$	17,638

Schedule of changes in accrued warranty

The following table details the change in the accrued warranty balance (in thousands):

	For the year ended March 31,
	2019			2018			2017 (as restated)
Opening balance	$	2,422		$	3,689		$	3,448
Additional warranties issued		5,766			5,139			7,491
Adjustments for warranties issued in prior fiscal years		326			(116	)		309
Settlements		(5,058	)		(6,291	)		(7,559	)
Ending balance	$	3,456		$	2,422		$	3,689